X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/b5b63aaa73c53f6ba8091c8e8662ff478a1ecca7..24ac4f5092661ce053f33d460306bf81d6a3dc8a:/src/smartxml/smartxml.js?ds=sidebyside diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js index b4036d3..e3c831d 100644 --- a/src/smartxml/smartxml.js +++ b/src/smartxml/smartxml.js @@ -6,11 +6,21 @@ define([ ], function($, _, Backbone, events) { 'use strict'; - +/* globals Node */ var TEXT_NODE = Node.TEXT_NODE; +var INSERTION = function(implementation) { + var toret = function(node) { + var insertion = this.getNodeInsertion(node); + implementation.call(this, insertion.ofNode.nativeNode); + this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode}); + return insertion.ofNode; + }; + return toret; +}; + var DocumentNode = function(nativeNode, document) { if(!document) { throw new Error('undefined document for a node'); @@ -26,61 +36,140 @@ $.extend(DocumentNode.prototype, { this._$ = $(nativeNode); }, + clone: function() { + return this.document.createDocumentNode(this._$.clone(true, true)[0]); + }, + + getPath: function(ancestor) { + var nodePath = [this].concat(this.parents()), + toret, idx; + ancestor = ancestor || this.document.root; + + nodePath.some(function(node, i) { + if(node.sameNode(ancestor)) { + idx = i; + return true; + } + }); + + if(idx !== 'undefined') { + nodePath = nodePath.slice(0, idx); + } + toret = nodePath.map(function(node) {return node.getIndex(); }); + toret.reverse(); + return toret; + }, + + isRoot: function() { + return this.document.root.sameNode(this); + }, + detach: function() { + var parent = this.parent(); this._$.detach(); + this.triggerChangeEvent('nodeDetached', {parent: parent}); return this; }, + replaceWith: function(node) { + var toret; + if(this.isRoot()) { + return this.document.replaceRoot(node); + } + toret = this.after(node); + this.detach(); + return toret; + }, + sameNode: function(otherNode) { - return otherNode && this.nativeNode === otherNode.nativeNode; + return !!(otherNode) && this.nativeNode === otherNode.nativeNode; }, parent: function() { - return this.nativeNode.parentNode ? this.document.createElementNode(this.nativeNode.parentNode) : null; + var parentNode = this.nativeNode.parentNode; + if(parentNode && parentNode.nodeType === Node.ELEMENT_NODE) { + return this.document.createDocumentNode(parentNode); + } + return null; }, - after: function(node) { - var insertion = this.getNodeInsertion(node); - this._$.after(insertion.ofNode.nativeNode); - this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode}); - return insertion.ofNode; + parents: function() { + var parent = this.parent(), + parents = parent ? parent.parents() : []; + if(parent) { + parents.unshift(parent); + } + return parents; }, - before: function(node) { - var insertion = this.getNodeInsertion(node); - this._$.before(insertion.ofNode.nativeNode); - this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode}); - return insertion.ofNode; + prev: function() { + var myIdx = this.getIndex(); + return myIdx > 0 ? this.parent().contents()[myIdx-1] : null; }, - wrapWith: function(node) { - node = node instanceof ElementNode ? node : this.document.createElementNode(node); + next: function() { + if(this.isRoot()) { + return null; + } + var myIdx = this.getIndex(), + parentContents = this.parent().contents(); + return myIdx < parentContents.length - 1 ? parentContents[myIdx+1] : null; + }, + + isSurroundedByTextElements: function() { + var prev = this.prev(), + next = this.next(); + return prev && (prev.nodeType === Node.TEXT_NODE) && next && (next.nodeType === Node.TEXT_NODE); + }, + + after: INSERTION(function(nativeNode) { + return this._$.after(nativeNode); + }), + before: INSERTION(function(nativeNode) { + return this._$.before(nativeNode); + }), + + wrapWith: function(node) { + var insertion = this.getNodeInsertion(node); if(this.parent()) { - this.before(node); + this.before(insertion.ofNode); + } + insertion.ofNode.append(this); + return insertion.ofNode; + }, + + /** + * Removes parent of a node if node has no siblings. + */ + unwrap: function() { + if(this.isRoot()) { + return; + } + var parent = this.parent(), + grandParent; + if(parent.contents().length === 1) { + grandParent = parent.parent(); + parent.unwrapContent(); + return grandParent; } - node.append(this); - return node; }, triggerChangeEvent: function(type, metaData) { var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {})); - this.document.trigger('change', event); + if(type === 'nodeDetached' || this.document.containsNode(event.meta.node)) { + this.document.trigger('change', event); + } }, getNodeInsertion: function(node) { - var insertion = {}; - if(node instanceof DocumentNode) { - insertion.ofNode = node; - insertion.insertsNew = !this.document.containsNode(node); - } else { - insertion.ofNode = this.document.createElementNode(node); - insertion.insertsNew = true; - } - return insertion; + return this.document.getNodeInsertion(node); }, getIndex: function() { + if(this.isRoot()) { + return 0; + } return this.parent().indexOf(this); } }); @@ -93,6 +182,16 @@ ElementNode.prototype = Object.create(DocumentNode.prototype); $.extend(ElementNode.prototype, { nodeType: Node.ELEMENT_NODE, + detach: function() { + var next; + if(this.parent() && this.isSurroundedByTextElements()) { + next = this.next(); + this.prev().appendText(next.getText()); + next.detach(); + } + return DocumentNode.prototype.detach.call(this); + }, + setData: function(key, value) { if(value !== undefined) { this._$.data(key, value); @@ -117,12 +216,7 @@ $.extend(ElementNode.prototype, { var toret = [], document = this.document; this._$.contents().each(function() { - if(this.nodeType === Node.ELEMENT_NODE) { - toret.push(document.createElementNode(this)); - } - else if(this.nodeType === Node.TEXT_NODE) { - toret.push(document.createTextNode(this)); - } + toret.push(document.createDocumentNode(this)); }); return toret; }, @@ -132,7 +226,7 @@ $.extend(ElementNode.prototype, { }, setTag: function(tagName) { - var node = this.document.createElementNode({tagName: tagName}), + var node = this.document.createDocumentNode({tagName: tagName}), oldTagName = this.getTagName(), myContents = this._$.contents(); @@ -170,18 +264,21 @@ $.extend(ElementNode.prototype, { return toret; }, - append: function(node) { - var insertion = this.getNodeInsertion(node); - this._$.append(insertion.ofNode.nativeNode); - this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode}); - return insertion.ofNode; - }, + append: INSERTION(function(nativeNode) { + this._$.append(nativeNode); + }), - prepend: function(node) { - var insertion = this.getNodeInsertion(node); - this._$.prepend(insertion.ofNode.nativeNode); - this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode}); - return insertion.ofNode; + prepend: INSERTION(function(nativeNode) { + this._$.prepend(nativeNode); + }), + + insertAtIndex: function(nativeNode, index) { + var contents = this.contents(); + if(index < contents.length) { + return contents[index].before(nativeNode); + } else if(index === contents.length) { + return this.append(nativeNode); + } }, unwrapContent: function() { @@ -190,18 +287,20 @@ $.extend(ElementNode.prototype, { return; } - var parentContents = parent.contents(), - myContents = this.contents(), + var myContents = this.contents(), myIdx = parent.indexOf(this); + if(myContents.length === 0) { return this.detach(); } - var moveLeftRange, moveRightRange, leftMerged; + var prev = this.prev(), + next = this.next(), + moveLeftRange, moveRightRange, leftMerged; - if(myIdx > 0 && (parentContents[myIdx-1].nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) { - parentContents[myIdx-1].appendText(myContents[0].getText()); + if(prev && (prev.nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) { + prev.appendText(myContents[0].getText()); myContents[0].detach(); moveLeftRange = true; leftMerged = true; @@ -210,9 +309,10 @@ $.extend(ElementNode.prototype, { } if(!(leftMerged && myContents.length === 1)) { - if(myIdx < parentContents.length - 1 && (parentContents[myIdx+1].nodeType === TEXT_NODE) && (myContents[myContents.length-1].nodeType === TEXT_NODE)) { - parentContents[myIdx+1].prependText(myContents[myContents.length-1].getText()); - myContents[myContents.length-1].detach(); + var lastContents = _.last(myContents); + if(next && (next.nodeType === TEXT_NODE) && (lastContents.nodeType === TEXT_NODE)) { + next.prependText(lastContents.getText()); + lastContents.detach(); moveRightRange = true; } } @@ -286,6 +386,44 @@ $.extend(TextNode.prototype, { } }, + split: function(params) { + var parentElement = this.parent(), + passed = false, + succeedingChildren = [], + prefix = this.getText().substr(0, params.offset), + suffix = this.getText().substr(params.offset); + + parentElement.contents().forEach(function(child) { + if(passed) { + succeedingChildren.push(child); + } + if(child.sameNode(this)) { + passed = true; + } + }.bind(this)); + + if(prefix.length > 0) { + this.setText(prefix); + } + else { + this.detach(); + } + + var attrs = {}; + parentElement.getAttrs().forEach(function(attr) {attrs[attr.name] = attr.value; }); + var newElement = this.document.createDocumentNode({tagName: parentElement.getTagName(), attrs: attrs}); + parentElement.after(newElement); + + if(suffix.length > 0) { + newElement.append({text: suffix}); + } + succeedingChildren.forEach(function(child) { + newElement.append(child); + }); + + return {first: parentElement, second: newElement}; + }, + triggerTextChangeEvent: function() { var event = new events.ChangeEvent('nodeTextChange', {node: this}); this.document.trigger('change', event); @@ -294,7 +432,7 @@ $.extend(TextNode.prototype, { var parseXML = function(xml) { - return $(xml)[0]; + return $($.trim(xml))[0]; }; var Document = function(xml) { @@ -305,9 +443,10 @@ $.extend(Document.prototype, Backbone.Events, { ElementNodeFactory: ElementNode, TextNodeFactory: TextNode, - createElementNode: function(from) { - if(!(from instanceof HTMLElement)) { - if(from.text) { + createDocumentNode: function(from) { + if(!(from instanceof Node)) { + if(from.text !== undefined) { + /* globals document */ from = document.createTextNode(from.text); } else { var node = $('<' + from.tagName + '>'); @@ -319,11 +458,13 @@ $.extend(Document.prototype, Backbone.Events, { from = node[0]; } } - return new this.ElementNodeFactory(from, this); - }, - - createTextNode: function(nativeNode) { - return new this.TextNodeFactory(nativeNode, this); + var Factory; + if(from.nodeType === Node.TEXT_NODE) { + Factory = this.TextNodeFactory; + } else if(from.nodeType === Node.ELEMENT_NODE) { + Factory = this.ElementNodeFactory; + } + return new Factory(from, this); }, loadXML: function(xml, options) { @@ -339,21 +480,21 @@ $.extend(Document.prototype, Backbone.Events, { }, containsNode: function(node) { - return node._$.parents().index(this.root._$) !== -1; + return this.root && (node.nativeNode === this.root.nativeNode || node._$.parents().index(this.root._$) !== -1); }, wrapNodes: function(params) { - if(!(params.element1.parent().sameNode(params.element2.parent()))) { + if(!(params.node1.parent().sameNode(params.node2.parent()))) { throw new Error('Wrapping non-sibling nodes not supported.'); } - var parent = params.element1.parent(), + var parent = params.node1.parent(), parentContents = parent.contents(), - wrapper = this.createElementNode({ + wrapper = this.createDocumentNode({ tagName: params._with.tagName, attrs: params._with.attrs}), - idx1 = parent.indexOf(params.element1), - idx2 = parent.indexOf(params.element2); + idx1 = parent.indexOf(params.node1), + idx2 = parent.indexOf(params.node2); if(idx1 > idx2) { var tmp = idx1; @@ -378,6 +519,25 @@ $.extend(Document.prototype, Backbone.Events, { return wrapper; }, + getSiblingParents: function(params) { + var parents1 = [params.node1].concat(params.node1.parents()).reverse(), + parents2 = [params.node2].concat(params.node2.parents()).reverse(), + noSiblingParents = null; + + if(parents1.length === 0 || parents2.length === 0 || !(parents1[0].sameNode(parents2[0]))) { + return noSiblingParents; + } + + var i; + for(i = 0; i < Math.min(parents1.length, parents2.length); i++) { + if(parents1[i].sameNode(parents2[i])) { + continue; + } + break; + } + return {node1: parents1[i], node2: parents2[i]}; + }, + _wrapText: function(params) { params = _.extend({textNodeIdx: 0}, params); if(typeof params.textNodeIdx === 'number') { @@ -400,7 +560,7 @@ $.extend(Document.prototype, Backbone.Events, { throw new Error('Wrapping text in non-sibling text nodes not supported.'); } - var wrapperElement = this.createElementNode({tagName: params._with.tagName, attrs: params._with.attrs}); + var wrapperElement = this.createDocumentNode({tagName: params._with.tagName, attrs: params._with.attrs}); textNode1.after(wrapperElement); textNode1.detach(); @@ -426,12 +586,37 @@ $.extend(Document.prototype, Backbone.Events, { wrapperElement.after({text: suffixOutside}); } return wrapperElement; + }, + + trigger: function() { + //console.log('trigger: ' + arguments[0] + (arguments[1] ? ', ' + arguments[1].type : '')); + Backbone.Events.trigger.apply(this, arguments); + }, + + getNodeInsertion: function(node) { + var insertion = {}; + if(node instanceof DocumentNode) { + insertion.ofNode = node; + insertion.insertsNew = !this.containsNode(node); + } else { + insertion.ofNode = this.createDocumentNode(node); + insertion.insertsNew = true; + } + return insertion; + }, + + replaceRoot: function(node) { + var insertion = this.getNodeInsertion(node); + this.root.detach(); + defineDocumentProperties(this, insertion.ofNode._$); + insertion.ofNode.triggerChangeEvent('nodeAdded'); + return insertion.ofNode; } }); var defineDocumentProperties = function(doc, $document) { Object.defineProperty(doc, 'root', {get: function() { - return doc.createElementNode($document[0]); + return doc.createDocumentNode($document[0]); }, configurable: true}); Object.defineProperty(doc, 'dom', {get: function() { return $document[0]; @@ -440,7 +625,7 @@ var defineDocumentProperties = function(doc, $document) { return { documentFromXML: function(xml) { - return new Document(parseXML(xml)); + return new Document(xml); }, elementNodeFromXML: function(xml) {